JP2644473B2
(ja )
1997-08-25
ダイナミック等化回路
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(en )
1987-10-20
Dual mode music instrument preamplifier
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(en )
2001-07-24
Microphone output limiter
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(en )
2014-07-01
Amplifier with selectable master control
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(sr )
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(en )
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Active phantom-powered ribbon microphone with switchable proximity effect response filtering for voice and music applications
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(de )
1974-01-10
Verstaerkeranordnung fuer tonfrequenz
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(en )
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Phantom-powered inline preamplifier with variable impedance loading and adjustable interface
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(ko )
2000-05-25
전자오디오신호의고조파개선장치및방법
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(en )
2013-10-22
Active instrument subwoofer system for low frequency enhancement
US2121150A
(en )
1938-06-21
Tone control system
US2256057A
(en )
1941-09-16
Tone control circuit
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(en )
1939-09-19
Method and apparatus for sound recording
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(en )
2014-09-02
System and method for generating musical distortion in an audio amplifier
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(en )
1937-01-26
Transmission of sound currents
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(en )
1939-05-16
Voice and music mixer for use in sound recording
US2066676A
(en )
1937-01-05
Tone control
US2008824A
(en )
1935-07-23
System for reproducing sound from a sound record
BE481707A
(sr )
BE476941A
(sr )
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(en )
1935-07-23
Sound reproducing system
KR950000433B1
(ko )
1995-01-19
음향재생시스템의 다중 출력신호용 주증폭기
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(ja )
1993-10-15
音響装置
KR910000519Y1
(ko )
1991-01-25
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(sr )